Questions tagged [kubuntu]
Kubuntu is an official flavor of Ubuntu, using the KDE Plasma desktop environment. Use this tag for questions specific to this flavor.
2,612
questions with no upvoted or accepted answers
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answer
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Kubuntu - Dolphin panel - clear “Recently Saved”
Could someone help with an update on how to clear the "Recently Saved" items in Dolphin?
It seems to be an old issue, and I have only found very old answers which did not seem to have any effect (...
9
votes
1
answer
1k
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How to unbind the Super or Logo key so it may be used by applications?
I'm running kubuntu-desktop on Lubuntu 17.04. I'd like to use the Super key in applications but it currently activates desktop application menu.
I looked in
System Settings -> Workspaces -> ...
9
votes
1
answer
902
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I am missing some icons in KDE 5 launcher and tray after installing unity
I have kubuntu 15.04 on my laptop.
Last night I installed unity desktop using the command:
sudo apt-get install ubuntu-desktop
on my laptop. But after restart I noticed some of my application icons ...
9
votes
2
answers
2k
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How can I re-order the activities in KDE?
I would like to be able to manually edit the order of my Activities in KDE. They are not listed in alphabetic order or the order that they are created, yet I haven't figured out how to change this ...
8
votes
2
answers
869
views
No sound over headphones on a new Samsung Notebook 7 Force
I bought a new notebook and I'm having a hard time figuring out why it won't output sound over my wired headphones. The notebook is the Samsung Notebook 7 Force and I'm running Kubuntu 19.10.
It ...
8
votes
0
answers
2k
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Shift + numeric keypad prints number (with NumLock off)
Since Lenovo have decided to place the Home and End keys in unreachable locations on my Thinkpad, I use the numeric keypad for these. With NumLock off, 1 = End and 7 = Home. One typical use for this ...
8
votes
2
answers
6k
views
log error: "[drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!"
I get this error after installing Kubuntu 15.10 when restart Kubuntu:
[ 74.873008] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)!
I use kernel 4.2.0-16 and KDE 5.4....
8
votes
3
answers
7k
views
Flash doesn't work in firefox after upgrade Kubuntu to 14.10
I upgraded Kubuntu 14.04-x64 to 14.10. Now flash does not work in Firefox. Now flash is an empty area which sometimes is black when cursor is under it.
But flash still works in Chromium.
7
votes
0
answers
954
views
chrome site paswords are lost when I switch between Gnome and Kde
I installed ubuntu 20.04.
I also installed the KDE desktop
I login via gnome, start google chrome and save the login credentials of a site.
When I login again via kde, start google chrome the ...
7
votes
0
answers
305
views
KDE notification not clickable in tray
Under KDE 5.17 (on Kubuntu 19.10) the notifications on the desktop are interactive as expected. I can click them to reach the destination (e.g. weblink or a new email).
After the notifications are ...
7
votes
0
answers
3k
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Output audio through two bluetooth devices at the same time with one bluetooth adapter
The devices I have in mind are a bluetooth headset and a bluetooth speaker in Kubuntu 18.04 with the integrated laptop bluetooth.
Is it possible to use two different bluetooth sound output devices at ...
7
votes
0
answers
1k
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X server on Kubuntu 18.04 crashes if NIS/NFS user is logged in
I updated a machine to Kubuntu 18.04 by a complete reinstall. We still have user management using NFS/NIS. Packages are installed, users can log in. I have one local user dhlocal (userid: 1000) with ...
7
votes
0
answers
478
views
Popup keyboard for emoji characters
How can I get a popup virtual keyboard with emoji characters while typing in a text field?
I'd prefer a solution where selecting characters inserts them directly into the text field (that is, ...
7
votes
1
answer
1k
views
Can't drag files from Dolphin to Chrome
Up until a couple of weeks ago, when I would try to drag and drop files from Dolphin (the default File Manager in Kubuntu) to Chrome (e.g., to add to an email or upload a video to youtube), there were ...
7
votes
1
answer
4k
views
Export and Import settings of Plasma5
Is there a way of exporting and importing Plasma5 settings like settings for the taskbar, dophlin, shortcuts and so on and import them for a new user or on a new installation?
7
votes
2
answers
996
views
Fonts messed up after installing Kubuntu desktop on Ubuntu 14.04
I decided I wanted to try Kubuntu since I had some difficulties with the Unity desktop. I do not remember exactly the command(s) I run, but I think I used sudo apt-get install kubuntu-desktop. Now the ...
7
votes
3
answers
9k
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OBS NVENC Doesn't work Out of Box on 20.04?
I just installed Kubuntu 20.04 and OBS,but NVENC doesn't seem to work for some reason even though I have nvidia-driver-390 installed and configured via System Settings.
Settings:
Error on Start ...
6
votes
0
answers
1k
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Google Chrome-stable no hardware acceleration after 109
I'm having an issue where google-chrome-stable does not have functioning hardware acceleration for video after version 109. This is just a chrome issue. I use chrome for password and bookmark sharing ...
6
votes
1
answer
2k
views
In Kubuntu 20.04, some applications do not use the global menu
I am using Kubuntu 20.04. I added global menu to the panel. Most of the applications are using the global menu perfectly. But Gimp, Inkscape and Texmaker are not using the global menu at all.
How can ...
6
votes
0
answers
2k
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How to run update-apt-xapian-index only one time at week?
I cannot understand why update-apt-xapian-index is starting every day I boot Kubuntu 18.04.1 LTS. I have disabled updates in Muon but without any change. After that I searched for it in /etc/cron.* ...
6
votes
0
answers
1k
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Chromecast Audio/PulseAudio-DLNA Lag
I successfully connected a Chromecast audio unit using Pulseaudio-DLNA to my Dell Inspiron 13 7348 running Kubuntu 16.04. However, there is always a 2-5 second lag from when I press to play a sound to ...
6
votes
1
answer
2k
views
Execute script on every start, wakeup and activation!
I want to execute a script on every start up, wake up and activation. In the current setup the script is executed in:
/etc/rc.local
/lib/systemd/system-sleep
It works so far, but if I reactivate my ...
6
votes
1
answer
3k
views
Force Firefox to use xdg-open to open downloaded files
Firefox in Kubuntu is broken, as it doesn't follow the system default applications that I can configure using "file associations" in the KDE Control Module. For example, it wants to open ...
5
votes
0
answers
3k
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Automatic KDE Plasma scaling based on monitor in use
I'm a total Linux noobie, and would appreciate some pointers as to, hopefully, setting up automatic scaling of KDE Plasma based on the resolution of the monitor in use.
I've managed to install a fully ...
5
votes
0
answers
1k
views
Preview like sushi for Kubuntu
I'm installing a Kubuntu 20.04 LTS system on a notebook and searching for a fast previewer like gnome-sushi (more).
Using this extension allows you to select a file in Nautilus, hit the spacebar and ...
5
votes
1
answer
2k
views
KDE - Application menu not displaying correct icon
In below screenshot you can see that in the application menu, under the development tag, the icons are not correct, however, on the taskbar the icons are correct:
I checked the ~/.local/share/...
5
votes
0
answers
809
views
Firefox Not Prompting to Allow Microphone Gmail > Make a Call
I'm running Kubuntu 19.10 (fully updated) and Firefox 75.
Gmail allows you to make phone calls if you have a Google Voice account.
Prior to yesterday, each time I'd make a call, Firefox would prompt ...
5
votes
0
answers
2k
views
KDE Plasma5 battery not detected, but acpi detects it... help?
Dell Xps 13 running Kubuntu Plasma. Had this same issue on GNOME, and it transferred over to KDE while I was installing it. Battery management in settings only shows it has AC Input (which is when I'm ...
5
votes
0
answers
1k
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thumbnail.so taking up 100% CPU each time I open dolphin
After updating to Kubuntu 19.04 each time I open dolphin, a process called thumbnail.so is using up 100% of my cpu. It respawns when I kill it, without closing dolphin.
I have a webdav share mounted ...
5
votes
1
answer
2k
views
Update frequency setting in Kubuntu 18.04
Opening Software Sources in Kubuntu 18.04 I have selected only important and recommended updates, set the checking for updates only every two weeks and only notify.
But I still get updates ...
5
votes
0
answers
981
views
KDE saves and restores all but Google Chrome in its Desktop saved session
For some reason when enabling Restore manually saved session in Desktop Session Login and Logout settings, and hitting Save Session from the applications menu - all opened application windows get ...
5
votes
1
answer
6k
views
PulseAudio loopback module with crackling sound / noise under Kubuntu 17.10
I tried to get audio from my second monitor into Kubuntu through the line-in stereo jack which is now basically working after fiddling with alsamixer (un-mute Line & getting volume settings right) ...
5
votes
2
answers
2k
views
Kubuntu 16.10 Ethernet connection not working after version upgrade
After upgrading from Kubuntu 16.04 LTS to 16.10 the wired connection doesn't work.
The wired connection is displayed in the Network Manager but is not possible to select the relative "Connect" button.
...
5
votes
0
answers
374
views
Why can't I create groovy project in Eclipse and Netbeans?
System: Ubuntu 16.04
Eclipse: Neon.1a Release (4.6.1)
Netbeans: NetBeans IDE 8.2 (Build 201609300101)
$ java -version
openjdk version "1.8.0_111"
OpenJDK Runtime Environment (build 1.8.0_111-...
5
votes
0
answers
468
views
problems with deamontools-run and SV after upgrade to 16.04
i just upgraded to Kubuntu 16.04 from 14.04. However, installer warns me, it can be in unusable state. I haven't restarted yet and am afraid to do so.
sudo dpkg --configure -a
Setting up daemontools-...
5
votes
0
answers
478
views
Kubuntu 16.04 Multiple monitor issue (Kubuntu logo displayed instead)
Originally, I had two Radeon HD 7950s each connected to two monitors and working together to make four monitors as one desktop just fine.
After the computer lost power these was an issue with the ...
5
votes
0
answers
1k
views
KDE Plasma 5.4.2 task switcher displays some icons pixelated
The problem
I installed Kubuntu 15.10 with KDE Plasma 5.4.2 on my Dell. However, when I use the task switcher (Alt + Tab), which is configured to list large image models of the running applications, ...
5
votes
0
answers
466
views
libcgmanager0 is not verified by authors
I am using Kubuntu 14.04 and I use the software center for updates, which usually works fine, but now there was an error message as in the title.
I am not really sure what to do about this, so I ...
5
votes
0
answers
608
views
KDE keyboard options (like ctrl:nocaps) stop working randomly
edit: turns out my keyboard was disconnect/reconnecting. KDE is supposed to handle that, but it isn't. reported as https://bugs.kde.org/show_bug.cgi?id=346336
I'm using Kubuntu 15.04 (kde 5.2.2-...
5
votes
0
answers
5k
views
Kubuntu ibus 14.04 GB (UK) English default keyboard missing
I have recently upgraded my machines to Kubuntu 14.04, and it seems that ibus is (partially) broken for selecting the GB (UK) default keyboard. The closest keyboard that I have to choose from is ...
4
votes
0
answers
810
views
System hangs/breaks when fstrim runs (dual boot on SSD setup)
I have a Windows 10 / Kubuntu 22.04 dual boot setup with both OS partitions on the same SSD drive.
Every week fstrim.timer triggers fstrim.service to run in background and as a result my system "...
4
votes
0
answers
415
views
In kubuntu (KDE 5), can one use 'Save session' to restore an arbitrary application, even one that runs under Wine?
When I manually save a session in kubuntu (KDE Menu -> Leave -> Save session), then, after a reboot, some applications are restored, but others are not.
Among the applications that are restored ...
4
votes
4
answers
1k
views
Why does Dolphin take forever to load on Kubuntu 20.04 all of a sudden?
I am using Ubuntu 20.04 with kde plasma.
All of a sudden, my Dolphin file browser takes forever to open. Earlier it opened instantly, but now it is taking almost 30 seconds to start.
This seems to ...
4
votes
0
answers
2k
views
Boot version 21.04 from DVD extremely slow (and even impossible using Kubuntu) - but no problem when using USB stick
Hello Ubuntu community,
The current version 21.04 seems to boot very, very slowly from DVD (on my two different computers).
Kubuntu 21.04 does even stop booting after 10 minutes.
However this problem ...
4
votes
1
answer
2k
views
Kubuntu: Using Wayland / Nvidia / KDE on 21.04
I've just updated Kubuntu from 20.10 to 21.04. When trying to start a new session with Wayland it freezes at the vendor splash screen. How would I go about it to debug this? Suspecting it might has to ...
4
votes
1
answer
733
views
Macbook Pro randomly waking up from Sleep Mode, on Kubuntu and many other distro
My device is a MacBook Pro early 2015 edition, irrespective of the Linux distro when ever I put the laptop to sleep it wakes up immediately. I can't keep it in sleeping mode.
I have no idea where to ...
4
votes
0
answers
581
views
KDE connect obtrusive notifications
I'm running Kubuntu 20.04 and the notifications from KDE connect are very annoying and obtrusive. Firstly I get repeated notifications from unread messages, every time a new message is received, its ...
4
votes
0
answers
875
views
Kubuntu 20.04 sometimes hangs on shutdown and in standby
I installed Kubuntu 20.04 alongside Windows 10 on my Lenovo Ideapad 5 15ARE. Because of the new APU (AMD Ryzen 5 4500U) the kernel 5.4 does not work. So I started in recovery mode, installed kernel 5....
4
votes
1
answer
2k
views
KDE CONNECT issue on KUBUNTU 20.04
After upgrade to Kubuntu Focal Fossa, this app doesn't find my phone.
My topic is also related to these:
Connection problem with KDE Connect
KDE Connect - Main phone and Desktop cant see each other -...
4
votes
0
answers
349
views
Kubuntu 19.10 Doesn't Suspend Properly Using Home Folder Encryption?
I have a nearly fresh install of Kubuntu 19.10 and encrypted my home folder using ecryptfs-migrate-home using the typical method.
This had led to an issue where, when I suspend my computer by closing ...